Cream-skimming device.



L. B. WARREN.

CREAM SKIMMlNG DEVICE- APPLICATION FILED MAY n. 19w.

1',%9,%d Q Patanted June 11, 1918 t proved cylinder slidably mounted on, the

y no

\ nnvrn wnnnnn, 0F BUTTERNUT, MICHIGAN.

CREAM-SKIMMING DEVICE.

Specification of Letters Patent. Patented Junie Ill, 1918.,

Application filed May 11, 1917. Serial No. 167,942.

To all whom itmag concern:

.Be it lmownthat I, LEVI B. WARREN, a citizen of the United States, residing at Butternut, in the county of Montcalm and State of Michigan, have invented certain useful Improvements in ,Cream- Skimming Devices, ofwhichtthe following is a specification, reference being: had therein to the accompanyingdrawing. t t t The present invention has reference genorally to cream separators and more particularly ,1 relates to a creamer skimming device preferably though not necessarily adapted for skimming cream from milkbottles.

1 q As the primary aim and object-this invention contemplates the provision of an improved device of the character mentioned embodying] novel coiipcrativei cream ,withdrawing and containing means preferably Iadaptedfor. arrangement on the mouth ofa milk-Q bottle so that during actuation the cream which is generally on top of the milk bottlewill be-drawn therefrom sotthat it may-'besubsequently dispensed in a separate container, j I

It is an additional and equally important object of the present invention to provide novel means for supporting the cooperative cream withdrawing and containing-means above the mouth of the milk bottle {or other receptacle. from which it isdesired to remove More particularly,the present invention contemplates the provision of improved means carriedbythe supporting frame for engagement with the shoulder of the mouth of the milk bottle sothatthedevice may be eflectivelysupported during actuation. As a further; improvement, the present invention embraces the provision ofan imframe and constructed to support the cream "tube. v t, t

More specific objects of :the present inventionj consist in, the provision of an improved piston carried by the frame and cooperating with j the 7 cylinder for drawing cream through the tu be into the; cylinder during the actuation of the device; and to provide improved valve means in the tube for preventing; a backflow of the. cream therethrough, 3 j v 1 3 'Among the other aims and objects of the present invention, may betrecited'the provision of .a device of the oharacterhmentioned'with a view to compactness, and in ently appear while transversely extending handle tube 13.

which the number of parts are few, the con struction simple, the cost of production low and the efiiciency high.

Other objects as Well as the nature, char acteristic features and scope of this inven- Fig. 2 is a transverse section taken on a line 2-2 of Fig. 1, and

Fig. 3 is a transverse section taken on 11116 3-3 of Flg. 1. i S1m1lar characters of reference are em ployed in all of the above described views, it

to indicate corresponding parts.

Referring now, more particularly, to the accompanying drawings there is provided an improved supporting frame consisting of an annular band 1 which gagement with the shoulder 2 of a milk bottle 3 or other receptacle. A frusto-conical flange 4 projects outwardly from the shoulder and serves a purpose that will presvertical rods 5 project upwardly from opposite edges of the flange ,4 and are connected at the upper end by a 6 preferably formed integral therewith.

With a view toward means for withdrawing cream from the top of the milk bottle 3 a cylinder 7 is provided and has the upper end flared outwardly as 3178 and provided With opposed openings 9 through the medium of Which the cylinder is slidablymounted on the rods 5 preparatory to the connecting of the rods to the flange 4. The lowerend of the cylinder is formed with an end wall 10 which in which is removably engaged preferably by threads 12 to one end of a cream conducting An annular collar 14 is formed eXteriorly of the tube adjacent its point is adapted for enproviding improved turn is provided with a central opening 11 l ofconnection with the cylinder and serves as a means for removably clamping the gasket 15 to the bottom of the cylinder thus forming an air and watertight joint between the cylinder and the tube. The outer end of the tube is slidably arrangedin close relation within the band 1 and terminates in an out 'wardly eXtending frusto-conical seat 16 at the apex of which is formed an opening 17. A ball valve 18 is arranged within the tube and cooperates with the seatto serve as a check for preventing a blackflow of cream that has been drawn through the tube. Suitable guarding means such as transversely ranged a flexible disk 23 preferably of leather, the edges 24 of which are projected beyond the outer edges of the plates 21 and 22 and cramped and bent upwardlyfland arranged against the outer edge or the plate 21. A piston rod 25 has one end rigidlyeonnected to the handle 6 and the opposite end essary movement of the ballvalve.

reduced as at 27 and arranged through alining openings in the plates 21and 22 and the disk 28, all of which are clamped into .sub stantially rigid relation with each other by means of a suitable adjusting element such as a nut 28 removablythreaded on its reduced extremity andcooperating with the shoulder 29 formed when the end of the rod is reduced. It is to be appreciated that the length" of the piston rod is such that when piston is arranged within the inner end of the cylinder the band 1 will be positioned near the outer end of the tube 13.

The modeof operationkof the present invention maybe reviewed as follows:

Assuming that the parts have been. assembled in the manner described and as indicated in the drawings the band 1 is rested on the shoulder 2 while the frusto-conical seat 16 is positioned near the extreme upper end of the milk bottle whereupon byengag ing the cylinder 7 and moving it down wardly the tube 13 will be moved in a corresponding direction into the bottle neck. During this movement owing to the fact that the'piston 20 isrigid withthe rod 25 which is in turn carried by the handle 6 a suction will be created so that the valve 17 will be lifted from its seat to permit of the cream which is at the top of the bottle being drawn into the tube. Of course, during the continued downward movement of the cylinder the suction will be continued "so that the cream which is usuallyat the top of the milk bottle willbe drawn or skimmedxthere from and enter the tube 131and the cylinder. The guarding means serve to prevent unnec- When the piston 7 strikes the flange 4L sliding movement of the cylinder is limited and when this occurs the frusto-conical endof the tube will be positioned at the end of the cream in the top of the bottle. The valve, of course, automatically reseats itself whereupontheent-ire device is removed from position and the tube 13 1s disengaged from the cylinder so that the contents of the cylinder and the tube may be deposited in another receptacleor contalner.

As many changes could be made in the above construction and many apparently widely different embodiments of this invention could be made without de arting from the-scope thereof, it is inten' ed that ,fall matter contained in the above description or shown in the accompanying drawings shall be interpreted as illustrative and not in ,a limited sense; It is also ,to be under stoodfthat the language used in the following claims is intendedto cover allthe generic and specific features of the invention herein described and all statements of the scope of the inventionfwhich, as a matter of language might be said to fall gtherebetween. y

Having thusfully described-"this invention, what isclaimedas new and desired to be secured by Letters-Patent, is y y 1. A device of] the character described including a supporting frame designedfor removable engagement with the neck of a a bottle, a cylinder slidably mounted on, the frame, a cream conducting tube connected to thebottom of the cylinder and communicating therewith and adapted to be removably arranged within the neck of the bottle, a valve seat formed at thelower end of the tube, a check valve disposed withinthe tube and resting on the seat, anda. piston carried byfthe frame and arranged within-the cylin- 'der. whereby when the cylinder andtube are moved down'wardlyon the frame a suction will be created in the cylinder to raise the valve and draw cream into thetubeand cylinder. a V y y 2. A device of the character described including a supporting frame for engagement with the neck of a bottle, a cylinder slidably mounted on the frame, a cream conducting tube having one end removably connected to and eolmnunicatingwith the bottom ,of the 1 cylinder, a 'frusto-conical valve seat formed on the outer end of thetube, a check valve mounted within the tube and normally rest ing on the seat, guarding means for. the valve for preventing undue movementthere of, a piston rod dependinglfromfthe topof the frame, and a piston carriedjby theouter end of the rod and arrangedj within the cylinder whereby when the cylinderv is moved downwardly on, the frame so as to move the tube in a corresponding direction .a suction will be created in the cylinder so as to. raise thevalve means and draw cream into the tube and cylinder. a j

A device of thelccharacter described including a supportmg frame embodying, an

Oopies of this patent may be obtained for five cents each, by addressing the Washington, D. C.

ment and in close relation with the band so as to be guided thereby, check valve means mounted at the outer end of the tube, a piston rod depending from the handle, a piston mounted on the outer end of the rod and arranged within the cylinder whereby when the cylinder is moved downwardly so as to move the tube in a corresponding direction a suction will be created so as to open the valve means and draw cream into the tube and cylinder.

In testimony whereof I afiix my si ature. 25

LEVI B. WAR EN.

Commissioner of Patents, 

